diff options
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index b652127..c3cc40f 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -1434,13 +1434,39 @@ psignal(p, sig) SIGDELSET(p->p_siglist, sig); goto out; } - if (prop & SA_STOP) { + if ((p->p_flag & P_TRACED) || (action != SIG_DFL) || + !(prop & SA_STOP)) { mtx_lock_spin(&sched_lock); FOREACH_THREAD_IN_PROC(p, td) tdsignal(td, sig, action); mtx_unlock_spin(&sched_lock); goto out; } + if (prop & SA_STOP) { + if (p->p_flag & P_PPWAIT) + goto out; + mtx_lock_spin(&sched_lock); + FOREACH_THREAD_IN_PROC(p, td) { + if (td->td_state == TDS_SLP && + (td->td_flags & TDF_SINTR)) + thread_suspend_one(td); + } + if (p->p_suspcount == p->p_numthreads) { + mtx_unlock_spin(&sched_lock); + stop(p); + p->p_xstat = sig; + SIGDELSET(p->p_siglist, sig); + PROC_LOCK(p->p_pptr); + if ((p->p_pptr->p_procsig->ps_flag & + PS_NOCLDSTOP) == 0) { + psignal(p->p_pptr, SIGCHLD); + } + PROC_UNLOCK(p->p_pptr); + } else { + mtx_unlock_spin(&sched_lock); + } + goto out; + } else goto runfast; /* NOTREACHED */ |
